0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/nvmem/brcm,nvram.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Broadcom's NVRAM
0008
0009 description: |
0010 Broadcom's NVRAM is a structure containing device specific environment
0011 variables. It is used for storing device configuration, booting parameters
0012 and calibration data.
0013
0014 NVRAM can be accessed on Broadcom BCM47xx MIPS and Northstar ARM Cortex-A9
0015 devices usiong I/O mapped memory.
0016
0017 NVRAM variables can be defined as NVMEM device subnodes.
0018
0019 maintainers:
0020 - Rafał Miłecki <rafal@milecki.pl>
0021
0022 allOf:
0023 - $ref: "nvmem.yaml#"
0024
0025 properties:
0026 compatible:
0027 const: brcm,nvram
0028
0029 reg:
0030 maxItems: 1
0031
0032 board_id:
0033 type: object
0034 description: Board identification name
0035
0036 et0macaddr:
0037 type: object
0038 description: First Ethernet interface's MAC address
0039
0040 et1macaddr:
0041 type: object
0042 description: Second Ethernet interface's MAC address
0043
0044 et2macaddr:
0045 type: object
0046 description: Third Ethernet interface's MAC address
0047
0048 unevaluatedProperties: false
0049
0050 examples:
0051 - |
0052 nvram@1eff0000 {
0053 compatible = "brcm,nvram";
0054 reg = <0x1eff0000 0x10000>;
0055
0056 mac: et0macaddr {
0057 };
0058 };
